Credit Shamela and Rasaif alongside OpenITI

SOURCES.md

@@ -9,20 +9,30 @@ to the people who took the trouble to make it readable by a machine — often
 quietly, for years, without being asked. What we did was select, sort, segment
 and check. What follows is who to thank.
 
-## The project this corpus rests on
+## The projects this corpus rests on
 
 - **[Open Islamicate Texts Initiative (OpenITI)](https://openiti.org)** — The
   machine-readable corpus of premodern Islamicate texts, pinned here to release
-  **2025.1.9**, licensed CC BY-NC-SA 4.0. Every text in this dataset was read
-  out of that release and nowhere else. OpenITI is led from the Aga Khan
+  **2025.1.9**, licensed CC BY-NC-SA 4.0. OpenITI is led from the Aga Khan
   University (ISMC), the University of Vienna, Leipzig University and the
   Roshan Institute at the University of Maryland, with support from the KITAB
   project and the Qatar National Library.
+- **[al-Maktaba al-Shāmila](https://shamela.ws)**, reached through the
+  [AuthenticIlm](https://huggingface.co/datasets/AuthenticIlm/Shamela4_Full_DB)
+  packaging of its library (MIT). Shamela is where a great many of these works
+  were first typed and proof-read, over decades, by people who did not sign
+  their work.
+- **[Rasaif](https://rasaif.com/)** — The sentence-aligned Arabic–English
+  translations behind the `parallel_en` config (CC BY-4.0).
+
+Which of the two libraries a given text reached us through is recorded per row
+in the `source` column of `works`, and nowhere else: it is a fact about our
+copy, not about the book.
 
 The works themselves are older than any of us and belong to their authors —
-al-Ghazālī, al-Māwardī, Ibn Ḥajar, al-Mizzī, al-Ṭabarī, Ibn Sīdah and the
-rest. Where a printed edition stands behind a text, it is named per work in the
-`edition` column of the `works` config.
+al-Ghazālī, al-Māwardī, Ibn ʿAsākir, Ibn Manẓūr, al-Sarakhsī, al-Dhahabī and
+the rest. Where a printed edition stands behind a text, it is named per work in
+the `edition` column of the `works` config.
 
 ## Consulted, but never quoted